A simple system is to be designed to allow for the selling of old books. There are two different types of users: buyers and sellers. All users are registered externally from the system. The sellers can

A simple system is to be designed to allow for the selling of old books. There are two different types of users: buyers and sellers. All users are registered externally from the system. The sellers can post information on the books they have for sale and remove the books once they are sold. Buyers can search the system and then contact a seller offline if they want to make a purchase.

Using problem 1, draw the UML Use Case Diagram, and write the stories for each use case above.

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